| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2024-09-01 | 阴 | 28°/15° | 0.0 mm |
| 2024-09-02 | 雾 | 21°/16° | 0.0 mm |
| 2024-09-03 | 阴 | 21°/15° | 0.0 mm |
| 2024-09-04 | 阴 | 25°/12° | 0.0 mm |
| 2024-09-05 | 晴间多云 | 30°/14° | 0.0 mm |
| 2024-09-06 | 晴间多云 | 28°/16° | 0.0 mm |
| 2024-09-07 | 雾 | 25°/15° | 0.0 mm |
| 2024-09-08 | 阴 | 25°/16° | 0.0 mm |
| 2024-09-09 | 雾 | 21°/15° | 0.0 mm |
| 2024-09-10 | 雾 | 22°/14° | 0.0 mm |
| 2024-09-11 | 中雨 | 19°/12° | 6.1 mm |
| 2024-09-12 | 阴 | 20°/12° | 0.0 mm |
| 2024-09-13 | 阴 | 18°/12° | 0.0 mm |
| 2024-09-14 | 阴 | 18°/13° | 0.0 mm |
| 2024-09-15 | 阴 | 17°/12° | 0.0 mm |
| 2024-09-16 | 阴 | 20°/9° | 0.0 mm |
| 2024-09-17 | 雾 | 17°/11° | 0.0 mm |
| 2024-09-18 | 阴 | 19°/14° | 0.0 mm |
| 2024-09-19 | 阴 | 21°/10° | 0.0 mm |
| 2024-09-20 | 阴 | 19°/12° | 0.0 mm |
| 2024-09-21 | 阴 | 20°/9° | 0.0 mm |
| 2024-09-22 | 阴 | 20°/10° | 0.0 mm |
| 2024-09-23 | 阴 | 21°/14° | 0.0 mm |
| 2024-09-24 | 阴 | 23°/13° | 0.0 mm |
| 2024-09-25 | 小雨 | 18°/12° | 2.2 mm |
| 2024-09-26 | 小毛毛雨 | 20°/10° | 0.4 mm |
| 2024-09-27 | 小雨 | 18°/11° | 1.8 mm |
| 2024-09-28 | 阴 | 16°/9° | 0.0 mm |
| 2024-09-29 | 小毛毛雨 | 15°/10° | 0.4 mm |
| 2024-09-30 | 阴 | 18°/6° | 0.0 mm |
2024年09月西雅图共记录 30 天，平均最高 20℃、最低 12℃，降水日 5 天。